From 870ce44765ae948471d3509d2a80ca589b53457c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kha=C3=AFs=20COLIN?= <kcolin@student.42.fr>
Date: Tue, 15 Oct 2024 16:17:49 +0200
Subject: [PATCH] ft_strlcat: initial implementation

---
 Makefile     |  5 +++--
 ft_strlcat.c | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++
 libft.h      |  3 ++-
 3 files changed, 66 insertions(+), 3 deletions(-)
 create mode 100644 ft_strlcat.c

diff --git a/Makefile b/Makefile
index 60ece69..b1b2aaf 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@
 #    By: kcolin <marvin@42.fr>                      +#+  +:+       +#+         #
 #                                                 +#+#+#+#+#+   +#+            #
 #    Created: 2024/10/14 13:43:59 by kcolin            #+#    #+#              #
-#    Updated: 2024/10/15 14:53:02 by kcolin           ###   ########.fr        #
+#    Updated: 2024/10/15 16:00:12 by kcolin           ###   ########.fr        #
 #                                                                              #
 # **************************************************************************** #
 
@@ -22,7 +22,8 @@ SOURCES = ft_isalpha.c \
 	ft_bzero.c \
 	ft_memcpy.c \
 	ft_memmove.c \
-	ft_strlcpy.c
+	ft_strlcpy.c \
+	ft_strlcat.c
 OBJECTS = $(SOURCES:.c=.o)
 CC = gcc
 
diff --git a/ft_strlcat.c b/ft_strlcat.c
new file mode 100644
index 0000000..9afbd85
--- /dev/null
+++ b/ft_strlcat.c
@@ -0,0 +1,61 @@
+/* ************************************************************************** */
+/*                                                                            */
+/*                                                        :::      ::::::::   */
+/*   ft_strlcat.c                                       :+:      :+:    :+:   */
+/*                                                    +:+ +:+         +:+     */
+/*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
+/*                                                +#+#+#+#+#+   +#+           */
+/*   Created: 2024/10/15 16:00:39 by kcolin            #+#    #+#             */
+/*   Updated: 2024/10/15 16:17:34 by kcolin           ###   ########.fr       */
+/*                                                                            */
+/* ************************************************************************** */
+
+#include "libft.h"
+
+t_size	ft_strlcat(char *dst, const char *src, t_size size)
+{
+	t_size	dst_len;
+	t_size	src_len;
+	t_size	i;
+
+	dst_len = 0;
+	while (dst[dst_len] != '\0')
+		dst_len++;
+	src_len = 0;
+	while (src[src_len] != '\0')
+		src_len++;
+	if (size <= dst_len)
+		return (size + src_len);
+	i = 0;
+	while (src[i] != '\0' && i < size - dst_len - 1)
+	{
+		dst[dst_len + i] = src[i];
+		i++;
+	}
+	dst[dst_len + i] = '\0';
+	return (dst_len + src_len);
+}
+
+/*
+#include <bsd/string.h>
+#include <stdio.h>
+
+int	main(void)
+{
+	char	dest1[40] = "Hi there, hello!!!!!";
+	char	dest2[40] = "Hi there, hello!!!!!";
+	char	*src = " Hello!";
+	int		res1;
+	size_t	res2;
+
+	res1 = ft_strlcat(dest1, src, 20);
+	printf("mine:\t%u\t'%s'\n", res1, dest1);
+	res2 = strlcat(dest2, src, 20);
+	printf("lib:\t%zu\t'%s'\n", res2, dest2);
+	res1 = ft_strlcat(dest1, src, 40);
+	printf("mine:\t%u\t'%s'\n", res1, dest1);
+	res2 = strlcat(dest2, src, 40);
+	printf("lib:\t%zu\t'%s'\n", res2, dest2);
+	return (0);
+}
+*/
diff --git a/libft.h b/libft.h
index 8a54f1d..5d9298a 100644
--- a/libft.h
+++ b/libft.h
@@ -6,7 +6,7 @@
 /*   By: kcolin <marvin@42.fr>                      +#+  +:+       +#+        */
 /*                                                +#+#+#+#+#+   +#+           */
 /*   Created: 2024/10/15 10:11:54 by kcolin            #+#    #+#             */
-/*   Updated: 2024/10/15 14:42:16 by kcolin           ###   ########.fr       */
+/*   Updated: 2024/10/15 15:59:51 by kcolin           ###   ########.fr       */
 /*                                                                            */
 /* ************************************************************************** */
 
@@ -28,5 +28,6 @@ void	ft_bzero(void *s, t_size n);
 void	*ft_memcpy(void *dest, const void *src, t_size n);
 void	*ft_memmove(void *dest, const void *src, t_size n);
 t_size	ft_strlcpy(char *dst, const char *src, t_size size);
+t_size	ft_strlcat(char *dst, const char *src, t_size size);
 
 #endif